refactor(viperc): 清理标记下标推导中的内联类型转换

App/lib/core/Gen/AssignGenMixin.vp

@@ -362,7 +362,8 @@ novirtual class AssignGenMixin:
             nm = n2.id
         elif k == ast.ASTKind.Subscript:
             # Descriptor wrapper (CConst[T] etc.): the width comes from the wrapped type.
-            return self._annot_int_bits(pool, (ast.Subscript*(annot)).slice)
+            sub_ib: ast.Subscript* = ast.Subscript*(annot)
+            return self._annot_int_bits(pool, sub_ib.slice)
         if nm is None: return 0
         return self._int_bits_of_type_name(pool, nm, 0)
 
@@ -433,7 +434,8 @@ novirtual class AssignGenMixin:
             n2: ast.Name* = ast.Name*(annot)
             nm = n2.id
         elif k == ast.ASTKind.Subscript:
-            return self._annot_float_kind(pool, (ast.Subscript*(annot)).slice)
+            sub_fk: ast.Subscript* = ast.Subscript*(annot)
+            return self._annot_float_kind(pool, sub_fk.slice)
         if nm is None: return 0
         return self._float_kind_of_type_name(pool, nm, 0)
 
@@ -964,7 +966,8 @@ novirtual class AssignGenMixin:
         if self._annotation_contains_name(inner_pe, "bytes") != 0: return 1
         # Generic type param: a scalar-typed param uses its own size, a pointer/aggregate uses 8 bytes.
         if inner_pe.kind() == ast.ASTKind.Name:
-            gp_nm: str = (ast.Name*(inner_pe)).id
+            inner_nm_pe: ast.Name* = ast.Name*(inner_pe)
+            gp_nm: str = inner_nm_pe.id
             if gp_nm is not None:
                 gp_resolved: str = self.Gen.TypeGenBase.resolve_generic_type_name(gp_nm)
                 if gp_resolved is not None and string.strcmp(gp_resolved, gp_nm) != 0:

App/lib/core/Gen/Type/TypeGenResolve.vp

@@ -1448,7 +1448,8 @@ novirtual class TypeGenResolve(TypeGenBase.TypeGenBase):
         if node.kind() != ast.ASTKind.Subscript: return 0
         sub_r: ast.Subscript* = ast.Subscript*(node)
         if sub_r.value is None or sub_r.value.kind() != ast.ASTKind.Name: return 0
-        nm: str = (ast.Name*(sub_r.value)).id
+        nm_node_r: ast.Name* = ast.Name*(sub_r.value)
+        nm: str = nm_node_r.id
         if nm is None: return 0
         if string.strcmp(nm, "CRef") == 0: return 1
         if string.strcmp(nm, "CTempRef") == 0: return 2